A IRS auditor randomly selects 3 tax returns from 46 returns of ...

[torybrooks]

A IRS auditor randomly selects 3 tax returns from 46 returns of which 10 contain errors. What is the probability that none of the returns she selects contains an error?
 
  A) 0.4704 B) 0.4793 C) 0.0103 D) 0.0079

Question 2

The business college computing center wants to determine the proportion of business students who have personal computers (PC's) at home. If the proportion differs from 30, then the lab will modify a proposed enlargement of its facilities.
 
  Suppose a hypothesis test is conducted and the test statistic is 2.5. Find the P-value for a two-tailed test of hypothesis. A) 0.0124 B) 0.0062 C) 0.4876 D) 0.4938

[hollysheppard095]

Answer to Question 1

A

Answer to Question 2

A